Filaments of sterile cells interspersed with ascion basidia are called

Options

A. Paraphyses
B. trichomes
C. peridium
D. periphyses

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks for the term used to describe filaments of sterile cells that are interspersed with ascomycete basidia.

2. **Analyzing the Options**:
- **Option 1: Paraphysis**: This term refers to the erect sterile filaments found in fungi, specifically those that are found among the ascomycete basidia. This matches the description given in the question.
- **Option 2: Trichomes**: This term refers to fine outgrowths or appendages found on plants, algae, lichens, and some protists. This does not relate to the sterile filaments in fungi.
- **Option 3: Paridium**: This term refers to the outer skin of sporangia, which is not related to the question.
- **Option 4: Paraphysis** (repeated): This is the same as option 1 and is incorrect as it is not a different option.

3. **Conclusion**: Based on the analysis, the correct answer is **Option 1: Paraphysis** since it accurately describes the sterile filaments interspersed with ascomycete basidia.

**Final Answer**: Paraphysis

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